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| author | Martin Uecker <muecker@gwdg.de> | 2021-01-04 22:53:58 +0100 |
|---|---|---|
| committer | Martin Uecker <muecker@gwdg.de> | 2021-01-04 22:53:58 +0100 |
| commit | a000eb5918e09d28838ef572f4eea924d32db09b (patch) | |
| tree | 7ffa0b66ff2da1be9bd8a77ebae3140ef8b5fcc3 /gcc | |
| parent | f262a3518877ccce9ed41b2e152c3a3564727bd6 (diff) | |
| download | gcc-a000eb5918e09d28838ef572f4eea924d32db09b.zip gcc-a000eb5918e09d28838ef572f4eea924d32db09b.tar.gz gcc-a000eb5918e09d28838ef572f4eea924d32db09b.tar.bz2 | |
C: Add test for incorrect warning for assignment of certain volatile expressions fixed by commit 58a45ce [PR98029]
2021-01-04 Martin Uecker <muecker@gwdg.de>
gcc/testsuite/
PR c/98029
* gcc.dg/pr98029.c: New test.
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr98029.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr98029.c b/gcc/testsuite/gcc.dg/pr98029.c new file mode 100644 index 0000000..148f23c --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr98029.c @@ -0,0 +1,21 @@ +/* pr98029 */ +/* { dg-do compile } */ +/* { dg-options "-Wunused" } */ + +double f2 (void) +{ + volatile double d; + int i; + + for (d = 2.0, i = 0; i < 5; i++, d *= d) /* { dg-bogus "right-hand operand of comma expression has no effect" } */ + ; + + return d; +} + +int g(void) +{ + volatile int x; + (x = 1, (void)1); /* { dg-bogus "right-hand operand of comma expression has no effect" } */ + return x; +} |